feat: restart networkmanager on el9

- update networking module to restart:
    NetworkManager on el9
    network on el8

modules/networking/manifests/init.pp

@@ -29,7 +29,10 @@ class networking (
 
   # determine which networking service to restart
   $restart_command = $facts['os']['family'] ? {
-    'RedHat' => '/usr/bin/systemctl restart network',
+    'RedHat' => $facts['os']['release']['major'] ? {
+      '8' => '/usr/bin/systemctl restart network',
+      '9' => '/usr/bin/systemctl restart NetworkManager',
+    },
     'Debian' => '/usr/bin/systemctl restart networking',
     default  => fail('Unsupported OS in networking-restart-command'),
   }